199917047

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 228802560

約数和(自身を除く): 28885513

約数列:

[1, 11, 31, 121, 223, 239, 341, 2453, 2629, 3751, 6913, 7409, 26983, 28919, 53297, 76043, 81499, 586267, 836473, 896489, 1652207, 6448937, 18174277, 199917047]

約数ペア:

[(1, 199917047), (11, 18174277), (31, 6448937), (121, 1652207), (223, 896489), (239, 836473), (341, 586267), (2453, 81499), (2629, 76043), (3751, 53297), (6913, 28919), (7409, 26983)]